Search Results - "Lydersen, E"

Ecosystem effects of thermal manipulation of a whole lake, Lake Breisjøen, southern Norway (THERMOS project) by Lydersen, E., Aanes, K. J., Andersen, S., Andersen, T., Brettum, P., Baekken, T., Lien, L., Lindstrøm, E. A., Løvik, J. E., Mjelde, M., Oredalen, T. J., Solheim, A. L., Romstad, R., Wright, R. F.

“…We conducted a 3-year artificial deepening of the thermocline in the dimictic Lake Breisjøen, southern Norway, by means of a large submerged propeller. An…”
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The effect of various metals on Gyrodactylus salaris (Platyhelminthes, Monogenea) infections in Atlantic salmon (Salmo salar) by Poléo, A B S, Schjolden, J, Hansen, H, Bakke, T A, Mo, T A, Rosseland, B O, Lydersen, E

“…Atlantic salmon (Salmo salar) parr (age 0+), infected by the ectoparasite Gyrodactylus salaris, were exposed to aqueous aluminium (Al), copper (Cu), zinc (Zn),…”
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Integrated Monitoring Program on Acidification of Chinese Terrestrial Systems (Impacts) -- A Chinese-Norwegian Cooperation Project by Tang, D, Lydersen, E, Seip, H M, Angell, V, Eilertsen, O, Larssen, T, Liu, X, Kong, G, Mulder, J, Semb, A, Solberg, S, Torseth, K, Vogt, R D, Xiao, J, Zhao, D

“…A 5-year Chinese-Norwegian research project was launched in the autumn of 1999. Forested sites for intensive studies are or will be established in the…”
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RUST-COLORED BEARDED ( ERIGNATHUS BARBATUS ) AND RINGED ( PHOCA HISPIDA ) SEALS FROM SVALBARD, NORWAY by Lydersen, Christian, Kovacs, Kit M., Lydersen, Espen

“…Bearded and ringed seals from Svalbard, Norway, often have strongly rust-colored faces; the fore-flippers also are rust-colored in some animals. Element…”
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Acid Rain in China by Larssen, Thorjorn, Lydersen, Espen, Tang, Dagang, He, Yi, Gao, Jixi, Liu, Haiying, Duan, Lei, Seip, Hans M, Vogt, Rolf D, Mulder, Jan, Shao, Min, Wang, Yanhui, Shang, He, Zhang, Xiaoshan, Solberg, Svein, Aas, Wenche, Okland, Tonje, Eilertsen, Odd, Angell, Valter, Li, Quanru, Zhao, Dawei, Xiang, Renjun, Xiao, Jinshong, Luo, Jiahai

“…Acid rain emerged as an important environmental problem in China in the late 1970s. The current situation and what to expect in the future, based largely on…”
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Increased mortality of fish due to changing al-chemistry of mixing zones between limed streams and acidic tributaries by POLEO, A. B. S, LYDERSEN, E, ROSSELAND, B. O, KROGLUND, F, SALBU, B, VOGT, R. D, DVELLESTAD, A

“…The present study is mainly focusing on mortality variations of fish due to changing Al-chemistry of mixing zones. An artificial mixing zone was made by…”
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The toxic mixing zone of neutral and acidic river water : acute aluminium toxicity in brown trout (Salmo trutta L.) by VERBOST, P. M, BERNTSSEN, M. H. G, KROGLUND, F, LYDERSEN, E, WITTERS, H. E, ROSSELAND, B. O, SALBU, B, WENDELAAR BONGA, S. E

“…The toxic effects on brown trout (Salmo trutta) of waters in areas where acid aluminium-containing water, mixed with neutral (limed) water were investigated by…”
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The influence of total organic carbon (TOC) on the relationship between acid neutralizing capacity (ANC) and fish status in Norwegian lakes by Lydersen, Espen, Larssen, Thorjørn, Fjeld, Eirik

“…Acid neutralizing capacity (ANC) is the parameter most commonly used as chemical indicator for fish response to acidification. Empirical relationships between…”
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The significance of water ionic strength on aluminium toxicity in brown trout ( Salmo trutta L.) by Alstad, Nina E.W., Kjelsberg, Birgitte M., Vøllestad, L. Asbjørn, Lydersen, Espen, Poléo, Antonio B.S.

“…The toxicity of aluminium to fish is related to interactions between aluminium and the gill surface. We investigated the possible effect of water ionic…”
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Seasonal variation of mercury and delta super(15)N in fish from Lake Heddalsvatn, southern Norway by Moreno, CE, Fjeld, E, Deshar, M K, Lydersen, E

“…Seasonal variations of mercury (Hg) concentration in muscle tissue of northern pike (Esox lucius L.), European whitefish (Coregonus lavaretus L.) and European…”
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Addition of sulphuric acid to high organic carbon lake water : effects on macro-chemistry, aluminium, and iron by LYDERSEN, E, POLEO, A. B. S, OUGHTON, D. H, SALBU, B

“…Water from a weakly acid humic lake (pH 5.63) was acidified to pH 4.09 by addition of sulphuric acid and samples were analysed after 1 h, 3 d, and 7 d to…”
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Determination of radionuclides associated with colloids in natural waters by Salbu, B., Bjørnstad, H. E., Lydersen, E., Pappas, A. C.

“…Radionuclides in natural waters, possibly contaminated by wastewaters, might occur in different physico-chemical forms varying in size, charge and density. A…”
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Metals in Scandinavian Surface Waters: Effects of Acidification, Liming, and Potential Reacidification by Lydersen, Espen, Löfgren, Stefan, Arnesen, Rolf Tore

“…This article is a state-of-the-art review about such metals as Al, Fe, Mn, Cu, Zn, Cd, Pb, Cr, Ni, Hg, and As in surface waters. It focuses on natural and…”
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Acid Rain and Natural Organic Matter (NOM) by Gjessing, E. T., Riise, G., Lydersen, E.

“…Twentyfive years of research on the effects of acid rain on rivers and lakes has, to a very small extent, documented changes in the nature and properties of…”
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Base Cation Depletion and Potential Long-Term Acidification of Norwegian Catchments by Kirchner, James W, Lydersen, Espen

“…Long-term monitoring data from Norwegian catchments show that since the late 1970s, sulfate deposition and runoff sulfate concentrations have declined…”
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Ecosystem effects of thermal manipulation of a whole lake, Lake Breisjoeen, southern Norway (THERMOS project) by Lydersen, E, Aanes, K J, Andersen, S, Andersen, T, Brettum, P, Baekken, T, Lien, L, Lindstroem, E A, Loevik, JE, Mjelde, M, Oredalen, T J, Solheim, AL, Romstad, R, Wright, R F

“…We conducted a 3-year artificial deepening of the thermocline in the dimictic Lake Breisjoeen, southern Norway, by means of a large submerged propeller. An…”
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Effects of cold and warm years on the water chemistry at the Birkenes catchment, Norway by LYDERSEN, E

“…Several warm years have occurred in the Birkenes catchment, Norway, during the last decade. In this region, warm years mean warmer winters with mean air…”
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Rust-Colored Bearded (Erignathus barbatus) and Ringed (Phoca hispida) Seals from Svalbard, Norway by Lydersen, C., Kovacs, K. M., Lydersen, E.

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Rust-colored bearded (Erignathus barbatus) and ringed (Phoca hispida) seals from Svalbard, Norway by Lydersen, C, Kovacs, K M, Lydersen, E

“…Bearded and ringed seals from Svalbard, Norway, often have strongly rust-colored faces; the fore-flippers also are rust-colored in some animals. Element…”
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Multi-method characterisation of natural organic matter isolated from water : Characterisation of reverse osmosis-isolates from water of two semi-identical dystrophic lakes basins in norway by GJESSING, E. T, ALBERTS, J. J, RATNAWERRA, H, RYBACKI, D, TAKACS, M, ABBT-BRAUN, G, BRUCHET, A, EGEBERG, P. K, LYDERSEN, E, MCGOWN, L. B, MOBED, J. J, MÜNSTER, U, PEMPKOWIAK, J, PERDUE, M

“…In a "large-scale-catchment-manipulation-research-project", a dystrophic lake was divided into two halves by means of a plastic curtain, from the middle of the…”
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